Mark Wahlberg's Son -- Kickin' It With Dad

8/9/2010 4:00 PM PDT
With reports that his kid was recently attacked by a giant captive octopus at a San Diego aquarium, Mark Wahlberg picked up his adorable four-year-old son Michael from a karate class in Brentwood this weekend.


You never know when you are going to need to defend yourself against mollusks.

Mark just talked about the aquatic assault on Letterman -- click here to check out the clip.